Lamp-socket.



WILLIAM rREGoNiNG, or CLEVELAND, cino.

LAMP-sooner.

To all whom it may/concern; v f Beitknown that I, WILLIAM C. TREGQN-lING, a citizen of the UnitedStates, residing atCleveland, in thecounty.of Cuyahoga and lState of Ohio, have invented certain new and IusefulImprovements in Lamp-Sockets, and

do declare that the 'following is aful1, clear,.

and exact description 'of theinvention, which will enable 4othersskilled in the art to which -it a pertainsto makeand use the same. l hisinvention relates to lamp sockets, and

the invention conslstsina ,socket more es pecially designed to beused-fin eleotriclight signs employing metallic casin s, but adapted to.various combi-nations an poses, lall Asubstafritiadly as' shown a,r'1d^- de5A scribed and particularly pointedeutin the claims. L y,

In the accompanyingdraWinga'Figure 1 is a front 'elevation ofrny yimroved4 socket `with complete equipments.

tional elevation thereoffron't to-rear and-a cross section et asheetmetal casing, and

Fig 3 is ya r'ear elevation. lFigs. 4, @and (if` are `front, side,yandsection'al elevations re-' spectively ofthe porcelain socket memberone, and 1 4`igs."7',"8,'9v and'lO. are views ot'l details oftheconducting parts as hereinafter.v Yfully described.

4. `As already indicated, this socket more' .especially intendedforusewith' a metallic especially in certain forms thereof having' .baseor casing B, such as is used in sign Work' and in vwhich the casinggenerally is made' of suitable sheet' metal.- In such supports and wallscare must be taken to avoid contacts yof the electrical conductors or'their exposed connections with such casing, and Ato this end theinvention'comprises, first, a special form- A .Y of socket member C.Thus, the said socket member- -or socket proper is vpreferably ofporcelain Vbut may be of any suitable nonconducting materialg'and is ofthe shape and outline vparticularly shown in Figs. `1t, 5 and 6,respectively, the distinguis hingv features of whlch are theopposite-"bearing ribs 2, which have Hat or substantially ila't facesadapted to lie against wall b if-metallic casing B and which ribs havesuchdept'h and .length as to aiord a sufficient spacing portion forsocket l Y C to make room for the means required to secure conducting'wire Dupon said socket and keepthe fastening or connectingplate or partd' from Contact with said-case.' Fur ther features of said socket"properare the Specification of` Letters' Patent.'

.or bottom opening outward. t.

the points of contact.

the nut for fastening Patented Apn'l as, wos.

I I VApplication 'lled August 12, 1907. Serial No. 388,128'.

l lateral flanged `projections 4 throughlwhich it is' fixed in place oncasing B and which are.

locatedmidway between thel innerends .of A

ribs 2 andthe resu ective recesses 5 and 6 oppositely in the-.oterwise'closed end of said socketand central cavity 7 in said closed endReeesses 5 and 6 cjomefat the outer ends of 'ribs 2, and recess 54 opensinlto the interior .of

socketC toperrnit the inner extension or portion ofy-co'ndu'ctorandfastener d for wire D toenter and fmake surface Contact withthreadedmetalli'c conducting shell or thjrnble E', Which'its snugly intosocketC and is "secured therein by'screw 8 which also fastensA*conductmg andwire fastening vmemberfg in recess 7 Insulation-in vtheform ofva mica vdisk 12 lies between the head of screwfS, andits'wa'sher and the 'saidshelh 'which latter lhas a slotted' opening 13of such size that screw 8 :will notcontact therewith, and conductor o rfastener g for WirefG serves4 practically as al nut .jfor said screw andis fastened thereby. Th'ento complete the circuit'the lamp,notshown,zcontacts. with the head of screw 8 and e1os ,'es',l thecircuit through this channel with.l line, G, whilefthecircuit isl closedfrom the lamp through socket shell E with line D. v8E i Conductor disapproximately sickle shape,-

Fi '7, which especially helps to' hold it in rig t relations to theother parts. Wax or its equivalent is usually employed. to fill cav:

ity 7 outside conductor g, and the insulation is shown as removed fromwires D and G at The outer extremities lof conductorsdand g are bent toengage wires D and G respectively in the angles of the bend in which thewires are fixed and `held by screws 16 bearing thereon.

Especial convenience 'and economy in construction result from the novelmethod. em.

" ployed of connecting conductor g with screw 8 and inconnectionwith'which mica'disk 12 serves both as insulation for inner shell E,

Vand as intermediate means for fixing the shell yfirmly in socket fC.Asuitable washer 16 preferably of asize tol overlap base'of shell Eserves as a bearing'ior lthe head of screw 8 on said disk`12, andconductor g becomes also fastened' thereby. n `this connection it wi benoted that conductor member d lies within a semi-circular recess -17e`-upon the' inner face' ofy closed end c of socket C and (conductor memberg to the rear thereof with end wall Vc between, and Vrecess 6 provides'screw 8 as well asbeingmeans of entering conductormember g into place sothatl screw 8 may fasten all said.

parts to Tether. A cross portion orzbacking part 9 ot socket end csupports member g at `1ts free end against rear pull or strain and arateconducting members front and rear of said cross Wall and seated withinsaid lateral openings, and a central screw and insulating disk jointlysecuring all said parts togethe 2. An insulating socket member for lampsand the like having oppositerecesses through the wall thereof and arecess in its rear face and a cross portion bridging said rear recess,in combination with current conductors fixed in said recesses andconstructed at their outer ends to engage the line wires, a conductingshell within said socket bearing upon one of said conductors to hold itin lace, an insulating disk within said shell anci)a single fasteningand conduct-ing member ada ted to secure said parts in their respectivep aces Within and upon said socket member.

3. A socket for lamps and the like cnstructed of insulating' materialand provided with opposite openings through the wall thereof, and havinga part circular recess within its inner end, conductors fixed in saidopenings having their outer portions constvucted to fasten theconducting wires thereto and one of ysaid conductors formed to seatwithin said recess, a conductinef Ashell insaid socket in electricalcontact with one of said conductors, an insulating disk Within saidshell, andv a conducting screw centrally of said socket member adaptedto fasten said disk and shell and both said conductors upon vsaidsocket.

4. In electric lamps, an insulating socket of circular formation having`protecting ribs on its outside and lateral opemngs at the' end of 'saidribs opento the interior of the socket, in combination with conductorsmounted in said openings having their outer ends terminatiiig below theouter face of said ribs and adapted-tomake connection with the circuitwires, a shell bearing upon-one of said conductors, an insulating member-Within said shell, and asingle fastening member securing saidjparts totheother conductor and the socket and providing a central contact forthe lamp.

5. An electric lamp socket having conducting members for the lineconnections and a metallic shell in said 'socket engaged with andbearing upon one of said conductors `and a central screw andinsulating'member 65 fixing said shell and said conductor in place,saidscrew being threaded through the other of said conductors, whichserves as a nut for said screw and secures said parts jointly togetlier.

6. An electric insulating socket having a closed endxand lateralopenings therein, in 'combination with a receiving shell, and wirefastening and conducting members mounted upon the inner and outer facesof said closed 75 end and projecting outwardl through said lateralopenings, and asingle 'astening mem# ber jointlyv securing saidconducting members in their respective places upon said socket.

` 7. A socket member for lamps and the like having lateralopeningswithin its sides and a circular recess within its bottom andrecesses at its rear foraccess in making connections, in combinationwith a conducting shell,'an 85 insulating disk Within said shell, a artcircular conductor adapted to seat within said circular recess andproject through one4 of said vlateral openings and bearing .against saidshell, a second conductor seated within said WILLIAM" C. TREGONIN GWitnesses E. M. FISHER,

F. C. MUssUN..

